491418312

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7187}}^1$

素因数の和:7251

約数の個数: 128

約数和(自身を含む): 1573309440

約数和(自身を除く): 1081891128

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 37, 42, 44, 56, 66, 74, 77, 84, 88, 111, 132, 148, 154, 168, 222, 231, 259, 264, 296, 308, 407, 444, 462, 518, 616, 777, 814, 888, 924, 1036, 1221, 1554, 1628, 1848, 2072, 2442, 2849, 3108, 3256, 4884, 5698, 6216, 7187, 8547, 9768, 11396, 14374, 17094, 21561, 22792, 28748, 34188, 43122, 50309, 57496, 68376, 79057, 86244, 100618, 150927, 158114, 172488, 201236, 237171, 265919, 301854, 316228, 402472, 474342, 531838, 553399, 603708, 632456, 797757, 948684, 1063676, 1106798, 1207416, 1595514, 1660197, 1861433, 1897368, 2127352, 2213596, 2925109, 3191028, 3320394, 3722866, 4427192, 5584299, 5850218, 6382056, 6640788, 7445732, 8775327, 11168598, 11700436, 13281576, 14891464, 17550654, 20475763, 22337196, 23400872, 35101308, 40951526, 44674392, 61427289, 70202616, 81903052, 122854578, 163806104, 245709156, 491418312]

約数ペア:

[(1, 491418312), (2, 245709156), (3, 163806104), (4, 122854578), (6, 81903052), (7, 70202616), (8, 61427289), (11, 44674392), (12, 40951526), (14, 35101308), (21, 23400872), (22, 22337196), (24, 20475763), (28, 17550654), (33, 14891464), (37, 13281576), (42, 11700436), (44, 11168598), (56, 8775327), (66, 7445732), (74, 6640788), (77, 6382056), (84, 5850218), (88, 5584299), (111, 4427192), (132, 3722866), (148, 3320394), (154, 3191028), (168, 2925109), (222, 2213596), (231, 2127352), (259, 1897368), (264, 1861433), (296, 1660197), (308, 1595514), (407, 1207416), (444, 1106798), (462, 1063676), (518, 948684), (616, 797757), (777, 632456), (814, 603708), (888, 553399), (924, 531838), (1036, 474342), (1221, 402472), (1554, 316228), (1628, 301854), (1848, 265919), (2072, 237171), (2442, 201236), (2849, 172488), (3108, 158114), (3256, 150927), (4884, 100618), (5698, 86244), (6216, 79057), (7187, 68376), (8547, 57496), (9768, 50309), (11396, 43122), (14374, 34188), (17094, 28748), (21561, 22792)]